how many horses you pullin becuse these napa axles are stock rebuilds not pro poformance that you need if you have high horse power motor. same thing as using a geo metro axle on a mack truck get the consept. get some good ones thell give you less hasle and headache in the long run.

10 sec civic vid
that guy is from colorado, he's running a 10.9 on axles bought from autozone or napa. they have a lifetime warranty, but no he doesnt break them all the time.
that 10.9 is a mile above sea level too...